Bubbling display panel



FIG. 1 is a perspective view of a bubbling display panel showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The left side view of the bubbling display panel is a mirror image of FIG. 3. 

The ornamental design for a bubbling display panel, as shown and described. 